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Pearl
A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as fossil conulariids.
The ideal pearl is perfectly round and smooth, but many other shapes, known as baroque pearls, can occur. The finest quality of natural pearls have been highly valued as gemstones and objects of beauty for many centuries. Because of this, pearl has become a metaphor for something rare, fine, admirable and valuable.
Pearls can be roughly divided into freshwater pearls, South Sea pearls, black pearls and Akoya Japanese pearls.
Fresh Water Pearl
Freshwater pearls are cultivated through artificial breeding in freshwater lakes and rivers, so they are called freshwater pearls.
Because it is artificially bred and easy to produce in large quantities, its rarity and value are not too high. Freshwater beads are generally snow-white in color, but some may be tinged with pink.
South Sea Pearl
The origin of the name South Sea pearls is because they are produced in the South Pacific. The three major producing areas are Australia, Indonesia and the Philippines.
The general diameter of South Sea pearls is 10-15MM, and the largest one can be found is about 18MM. The diameter of the largest South Sea pearl in history is 21MM. Colors include silvery white, pink, silver, gold, light gold, rose, black, etc.
Australian South Sea pearls are the best in variety and quality, and more than half of the annual production is sold to Japan. Australian South Sea pearls are only produced in a very small area on the northwest coast of Australia. This area is sparsely populated, has pure water quality, suitable water temperature, open bays, and no typhoons. The excellent water environment is very conducive to the production of the highest quality pearls. Pearls produced in Australia are mainly silver-white and silver.
Black Pearl
The unique black pearls are produced in Tahiti. Tahitian black pearls are a specialty of the salt lakes in French Polynia in the South Pacific. Black pearls are also one of the South Sea pearls. Due to their unique color, people usually distinguish South Sea pearls from black pearls.
The cultivation of Tahitian black pearls is very difficult. The process of cultivating pearl oysters is very long and easy to die. Coupled with the influence of factors such as weather and water quality, the finished product is very rare. There are five quality standards for Tahitian black pearls, namely volume, shape, color, skin luster and purity.
Akoya Pearl
Akoya Pearls are pearls produced in Japanese pearl farms. They have a pink color on the surface. The darker the pink color, the higher the price.
The size of Akoya Pearls is smaller than that of South Sea pearls, generally ranging from 2mm to 10mm, and above 8mm is relatively narrow.
Due to its beautiful and durable white with pink color, it has become a popular item among jewelry enthusiasts and buyers in recent years. Nowadays, many jewelry items use Japanese beads.